Japanese Tomoe River paper, a favorite among those who love to write and are particular about the quality, is renowned for being incredibly thin and for its velvety smooth texture that performs amazingly well with fountain pens and ink pens. It is manufactured and treated for the perfect surface level for fountain pens to glide across smoothly and elegantly leaving you with exceptionally crisp lines. It is super lightweight, at 52 gsm - nearly half the thickness of copy paper. Despite its thinness, Tomoe River high quality paper is resistant to bleeding through and feathering so it can handle a variety of inks and pen nibs. Specially coated on both sides, the ghosting is minimal and you can use both sides of this thin paper. This silky smooth, fountain-pen-friendly writing paper gives you precise ink strokes, beautiful ink shades and crisp lines, so it's perfect for calligraphy practice, letter writing, etc. Tomoe River loose leaf paper contains 100 fine papers per pack. The cover sheet has Tomoe River logo printed, the proof of the genuine product manufactured and imported from Japan.